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Finding the Fourth Proportional to 17,603.31, 26,405.02 and 4,455.68

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Solution

The fourth proportional to 17,603.31, 26,405.02 and 4,455.68 is: 6,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.31 : 26,405.02 = 4,455.68 : x
  2. Step 2: Convert to fraction form
    17,603.31/26,405.02 = 4,455.68/x
  3. Step 3: Cross multiply
    17,603.31x = 26,405.02 × 4,455.68
  4. Step 4: Simplify right side
    17,603.31x = 117,652,319.51
  5. Step 5: Solve for x
    x = 117,652,319.51/17,603.31
  6. Step 6: Final answer
    x = 6,683.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.